2004 gt

[mustgt88]

Does anyone notice an occasional sucking sound when accelerating. Ford says it is because of a plastic manifold? Anyone else notice this sound???

 

[WhiteDevil69]

Does anyone notice an occasional sucking sound when accelerating. Ford says it is because of a plastic manifold? Anyone else notice this sound???

ive had exhaust since day 2 with her, i'd just get a catback and you wont be able to hear it

 

[JonJon]

I like that sound? Mine's pretty loud now with intake work done.